davillains
Well-Known Member
so I've noticed while browsing par readings from commercial lights that the far edge reading is always higher when the light is further away. For example on a 4x4 the corner edge will read 64 when 18" from canopy and 106 when 24" from canopy.
I have drawn a picture if it helps. Considering physics (the inverse square law) and that the X distance is bigger than the Y distance it should be the other way around shouldnt it ?
Are these readings like this because the light is hitting the sensor with a smaller angle when closer (18") (more parallel) thus fooling the sensor ? I don't get it
I have drawn a picture if it helps. Considering physics (the inverse square law) and that the X distance is bigger than the Y distance it should be the other way around shouldnt it ?
Are these readings like this because the light is hitting the sensor with a smaller angle when closer (18") (more parallel) thus fooling the sensor ? I don't get it